{"id":"CVE-2025-14847","aliases":["BIT-mongodb-2025-14847","CLSA-2026-1773757893","CLSA-2026-1773768694","EUVD-2025-204529","GHSA-4742-mr57-2r9j","UBUNTU-CVE-2025-14847","USN-8160-1"],"status":"published","title":"Zlib compressed protocol header length confusion may allow memory read","description":"Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. 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mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2025-12-29"},{"source":"kev","since":"2025-12-29"}],"exploits":[{"source":"pocgithub","id":"ProbiusOfficial/CVE-2025-14847","title":"ProbiusOfficial/CVE-2025-14847","date":"2025-12-26","url":"https://github.com/ProbiusOfficial/CVE-2025-14847"},{"source":"pocgithub","id":"onewinner/CVE-2025-14847","title":"onewinner/CVE-2025-14847","date":"2025-12-26","url":"https://github.com/onewinner/CVE-2025-14847"},{"source":"pocgithub","id":"Black1hp/mongobleed-scanner","title":"Black1hp/mongobleed-scanner","date":"2025-12-27","url":"https://github.com/Black1hp/mongobleed-scanner"},{"source":"pocgithub","id":"KingHacker353/CVE-2025-14847_Expolit","title":"KingHacker353/CVE-2025-14847_Expolit","date":"2025-12-27","url":"https://github.com/KingHacker353/CVE-2025-14847_Expolit"},{"source":"pocgithub","id":"cybertechajju/CVE-2025-14847_Expolit","title":"cybertechajju/CVE-2025-14847_Expolit","date":"2025-12-27","url":"https://github.com/cybertechajju/CVE-2025-14847_Expolit"},{"source":"pocgithub","id":"nma-io/mongobleed","title":"nma-io/mongobleed","date":"2025-12-27","url":"https://github.com/nma-io/mongobleed"},{"source":"pocgithub","id":"saereya/CVE-2025-14847---MongoBleed","title":"saereya/CVE-2025-14847---MongoBleed","date":"2025-12-27","url":"https://github.com/saereya/CVE-2025-14847---MongoBleed"},{"source":"pocgithub","id":"JemHadar/MongoBleed-DFIR-Triage-Script-CVE-2025-14847","title":"JemHadar/MongoBleed-DFIR-Triage-Script-CVE-2025-14847","date":"2025-12-28","url":"https://github.com/JemHadar/MongoBleed-DFIR-Triage-Script-CVE-2025-14847"},{"source":"pocgithub","id":"franksec42/mongobleed-exploit-CVE-2025-14847","title":"franksec42/mongobleed-exploit-CVE-2025-14847","date":"2025-12-28","url":"https://github.com/franksec42/mongobleed-exploit-CVE-2025-14847"},{"source":"pocgithub","id":"14mb1v45h/CYBERDUDEBIVASH-MONGODB-DETECTOR-v2026","title":"14mb1v45h/CYBERDUDEBIVASH-MONGODB-DETECTOR-v2026","date":"2025-12-29","url":"https://github.com/14mb1v45h/CYBERDUDEBIVASH-MONGODB-DETECTOR-v2026"},{"source":"pocgithub","id":"Security-Phoenix-demo/mongobleed-exploit-CVE-2025-14847","title":"Security-Phoenix-demo/mongobleed-exploit-CVE-2025-14847","date":"2025-12-29","url":"https://github.com/Security-Phoenix-demo/mongobleed-exploit-CVE-2025-14847"},{"source":"pocgithub","id":"codeb0ssx/CVE-2025-14847-PoC","title":"codeb0ssx/CVE-2025-14847-PoC","date":"2025-12-29","url":"https://github.com/codeb0ssx/CVE-2025-14847-PoC"},{"source":"pocgithub","id":"joshuavanderpoll/CVE-2025-14847","title":"joshuavanderpoll/CVE-2025-14847","date":"2025-12-29","url":"https://github.com/joshuavanderpoll/CVE-2025-14847"},{"source":"pocgithub","id":"kuyrathdaro/cve-2025-14847","title":"kuyrathdaro/cve-2025-14847","date":"2025-12-29","url":"https://github.com/kuyrathdaro/cve-2025-14847"},{"source":"pocgithub","id":"tunahantekeoglu/MongoDeepDive","title":"tunahantekeoglu/MongoDeepDive","date":"2025-12-29","url":"https://github.com/tunahantekeoglu/MongoDeepDive"},{"source":"pocgithub","id":"FurkanKAYAPINAR/CVE-2025-14847-MongoBleed-Exploit","title":"FurkanKAYAPINAR/CVE-2025-14847-MongoBleed-Exploit","date":"2025-12-30","url":"https://github.com/FurkanKAYAPINAR/CVE-2025-14847-MongoBleed-Exploit"},{"source":"pocgithub","id":"NoNameError/MongoBLEED---CVE-2025-14847-POC-","title":"NoNameError/MongoBLEED---CVE-2025-14847-POC-","date":"2025-12-30","url":"https://github.com/NoNameError/MongoBLEED---CVE-2025-14847-POC-"},{"source":"pocgithub","id":"j0lt-github/mongobleedburp","title":"j0lt-github/mongobleedburp","date":"2025-12-30","url":"https://github.com/j0lt-github/mongobleedburp"},{"source":"pocgithub","id":"Rishi-kaul/CVE-2025-14847-MongoBleed","title":"Rishi-kaul/CVE-2025-14847-MongoBleed","date":"2025-12-31","url":"https://github.com/Rishi-kaul/CVE-2025-14847-MongoBleed"},{"source":"pocgithub","id":"Systemhaus-Schulz/MongoBleed-CVE-2025-14847","title":"Systemhaus-Schulz/MongoBleed-CVE-2025-14847","date":"2026-01-01","url":"https://github.com/Systemhaus-Schulz/MongoBleed-CVE-2025-14847"},{"source":"pocgithub","id":"ElJoamy/MongoBleed-exploit","title":"ElJoamy/MongoBleed-exploit","date":"2026-01-02","url":"https://github.com/ElJoamy/MongoBleed-exploit"},{"source":"pocgithub","id":"keraattin/Mongobleed-Detector-CVE-2025-14847","title":"keraattin/Mongobleed-Detector-CVE-2025-14847","date":"2026-01-04","url":"https://github.com/keraattin/Mongobleed-Detector-CVE-2025-14847"},{"source":"pocgithub","id":"waheeb71/CVE-2025-14847","title":"waheeb71/CVE-2025-14847","date":"2026-01-06","url":"https://github.com/waheeb71/CVE-2025-14847"},{"source":"pocgithub","id":"CadGoose/MongoBleed-CVE-2025-14847-Fully-Automated-scanner","title":"CadGoose/MongoBleed-CVE-2025-14847-Fully-Automated-scanner","date":"2026-01-07","url":"https://github.com/CadGoose/MongoBleed-CVE-2025-14847-Fully-Automated-scanner"},{"source":"pocgithub","id":"im-hanzou/mongobleed","title":"im-hanzou/mongobleed","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read","description":"Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0.","status":"published","published":"2025-12-19T11:00:22.465Z","modified":"2026-02-26T16:07:25.054Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T14:32:28.250136Z"}],"euvd":[{"id":"EUVD-2025-204529","description":"Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0.","status":"published","published":"2025-12-19T11:00:22Z","modified":"2026-02-26T16:07:25Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"exploited_since":"2025-12-29","updated_at":"2026-11-02T19:48:25.997368Z"}],"ghsa":[{"id":"GHSA-4742-mr57-2r9j","title":"Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized...","description":"Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. 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This vulnerability may allow a read of uninitialized heap memory by an unauthenticated client.","cwes":["CWE-130"],"kev":{"date_added":"2025-12-29","due_date":"2026-01-19","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2025-14847","description":"Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0.","status":"published","published":"2025-12-19T11:15:49.277Z","modified":"2026-06-17T08:36:38.717Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T14:11:52.309391Z"}],"osv":[{"id":"CVE-2025-14847","title":"Zlib compressed protocol header length confusion may allow memory read","description":"Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0.","status":"published","published":"2025-12-19T11:00:22.465Z","modified":"2026-10-28T10:59:10.477953607Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T15:44:46.340268Z"},{"id":"UBUNTU-CVE-2025-14847","description":"Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0.","status":"published","published":"2025-12-19T11:15:00Z","modified":"2026-04-13T12:11:22.198101Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:55:20.144818Z"},{"id":"BIT-mongodb-2025-14847","title":"Zlib compressed protocol header length confusion may allow memory read","description":"Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0.","status":"published","published":"2025-12-19T11:15:49.277Z","modified":"2026-02-01T00:15:14.91701Z","updated_at":"2026-11-02T15:28:33.072289Z"},{"id":"CLSA-2026-1773757893","title":"Fix CVE(s): CVE-2025-14847","description":"   * SECURITY UPDATE: Unauthenticated heap memory disclosure via mismatched\n     zlib compressed protocol headers (MongoBleed)\n     - debian/patches/CVE-2025-14847.patch: Return actual decompressed size\n       instead of buffer size in ZlibMessageCompressor::decompressData\n     - CVE-2025-14847","status":"published","published":"2026-03-17T14:31:37Z","modified":"2026-06-04T10:03:30.770351Z","updated_at":"2026-11-02T15:43:43.621843Z"},{"id":"CLSA-2026-1773768694","title":"Fix CVE(s): CVE-2025-14847","description":"   * SECURITY UPDATE: Unauthenticated heap memory disclosure via mismatched\n     zlib compressed protocol headers (MongoBleed)\n     - debian/patches/CVE-2025-14847.patch: Return actual decompressed size\n       instead of buffer size in ZlibMessageCompressor::decompressData\n     - CVE-2025-14847","status":"published","published":"2026-03-17T17:31:39Z","modified":"2026-06-04T10:03:52.112245Z","updated_at":"2026-11-02T15:43:43.621843Z"},{"id":"USN-8160-1","title":"mongodb vulnerability","description":"It was discovered that MongoDB incorrectly handled length parameters\nin zlib-compressed network messages prior to authentication. An\nunauthenticated remote attacker could possibly use this issue to\ncause MongoDB to allocate an oversized memory buffer, resulting\nin the exposure of sensitive information.","status":"published","published":"2026-04-09T13:11:41Z","modified":"2026-04-13T12:14:21.670634922Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}